ISO International Standard

Information technology — Telecommunications and information exchange between systems — High-level data link control procedures — Description of the X.25 LAPB-compatible DTE data link procedures

Cancels and replaces the first edition (1986). Defines an application of certain HDLC standards. Also defines the structure, elements and procedures for the operation of a DTE using the X.25 LAPB protocol. The procedures are applicable to data interchange between a DTE and a DCE, or between two DTEs. The procedures are defined for use on duplex links, using synchronous transmission or start/stop transmission.

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